package Mips;public class InFrame extends Frame.Access {    int offset;    InFrame(int o) {	offset = o;    }    public Tree.Exp exp(Tree.Exp fp) {        return new Tree.MEM	    (new Tree.BINOP(Tree.BINOP.PLUS, fp, new Tree.CONST(offset)));    }    public String toString() {        Integer offset = new Integer(this.offset);	return offset.toString();    }}